// Problem: 
// Contest: 
// URL: 
// Memory Limit: 
// Time Limit: 
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include<bits/stdc++.h>
using namespace std;
#define int long long
inline int read(){
	int s=0,w=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
	while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
	return s*w;
}
signed main()
{
	int t=1;
//	cin>>t;
	while(t--)
	{
		int n,m;
		cin>>n>>m;
		vector<vector<int>> v(n+2,vector<int>(n+2));
		auto w=v;
		for(int i=1;i<=m;i++)
		{
			int xa,ya,xb,yb;
			cin>>xa>>ya>>xb>>yb;
			++w[xa][ya];
			--w[xb+1][ya];
			--w[xa][yb+1];
			++w[xb+1][yb+1];
		}
		for(int i=1;i<=n;i++)
		{
			for(int j=1;j<=n;j++)
			{
				v[i][j]=v[i-1][j]+v[i][j-1]-v[i-1][j-1]+w[i][j];
				cout<<v[i][j]<<" ";
			}
			cout<<endl;
		}
	}
	return 0;
}
